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Bottom Brackets

$12.99 - $22.99
BB-UN26 cartridge bottom bracket.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly

$14.99
The Dynatron features an American BB with press fit cups and caged bearings.
- Compatible with 1-piece cranks
- Frame BB Shell is 68mm width by 51.5mm inner diameter
- BB Style: American

$18.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included

$21.00
All of Chris King's bottom bracket offerings will need an appropriate Conversion Kit specific to the brand and model of crankset to be used.
- 68mm Threaded BB Shell
- 24mm Road Cranksets
- Common Cranks: Shimano Road, FSA road, Rotor
- Conversion Kit required to work with the Chris King ThreadFit 24 bottom bracket

$23.39 - $29.99
Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles.
- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included

$24.99
Black Label's Mid BB Set includes bearings, washers, a center spacer, and cones. It's for use with 19mm crank axles.

$24.99
Running a conventional threaded bottom bracket on your BB30 or PF30 frame doesn't have to be complicated. This press-fit adapter from FSA goes in snug and opens up a lot of crankset possibilities for your BB30/PF30 frame.
- Aluminum
- Allows conventional threaded bottom brackets to be installed in a BB30 or PF30 frame
- Install with headset press (not included) and green Loctite (included)

$25.00
TruVativ Power Spline Bottom Bracket fits proprietary powerspline design popular as OE spec with many moderate-price TruVativ cranks.
• Proprietary spline design popular as OE spec with many moderate-price TruVativ cranks
• Crank bolts are included

$25.99
• Lightweight seal structure removes grams
• Durable anodized finish
• Includes left and right hand cups, spacers, inner cover, and inner o-rings
• Easy installation with TL-FC25 tool
• Compatible with 24mm crank spindles
• English, threaded: 68/73mm bottom bracket
• Pressfit: BB86/92 bottom brackets

$27.00
Campagnolo's Record Bottom Bracket Cups are perfect for your Campy Ultra-Torque crankset (sold separately). They are constructed from anodized aluminum for light weight and excellent durability. They are available in English and Italian thread.
• Italian: 70mm
• English: 68mm

$27.00
- Adapters press directly into specific PF30, BB30, BB86 or BBright frames and allow the use of standard Ultra-Torque (UT) crank sets and EPS components
- Updated design increases surface area contact with the frame's bottom bracket, reducing the possibility of noise from frames with slight imperfections
- Ultra-Torque OS Fit BB-cup tool is required for adapter installation

$28.99
- High quality alloy cups compatible with IRD QB55 bottom brackets (sold separately)
- Choose Swiss, French, or Italian bottom bracket thread dimensions
- Left cup: right hand thread
- Right cup: left hand thread

$28.99
Shimano's Ultegra bottom bracket uses Pro Tour-proven technology for lighter weight and super smooth spinning, while still maintaining the same level of durability and stiffness. It's available in English, Italian, or Press Fit models.

$35.99
This FSA Bottom Bracket allows you to run MegaExo and other 24mm spindle cranksets with a BB86/BB89.5/BB92 frame.
- Intended for road use
- Steel bearings

$35.99
- High quality sealed cartridge bearings with steel cups
- Traditional square JIS 2-degree taper crank-arm interface
- 68/73mm English (BC1.37 x 24tpi - RH/LH). Compatible with IRD retrofit cups (sold separately), RD-419

$36.99
This FSA MegaExo bottom bracket is for use MTB MegaExo cranksets with 24mm spindles.
- Sealed bearings
- Die-cast then CNC machined alloy bearing cups
- Composite Di2-compatible adjustable center sleeve

$36.99
Designed to work flawlessly with your Patterson crank, this Metropolis bottom bracket delivers smooth performance and light weight.

$37.99
Race Face SRX ISIS bottom brackets feature 6061-T6 aluminum cups, high-pressure axle seals, adjustable chainline and M15 spindles.
• Features 6061-T6 aluminum cups, high-pressure axle seals, adjustable chainline and M15 spindles
• Requires ISIS installation tool

$37.99
The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.
- Gutter Seal Technology drastically improves sealing against the elements
- Sealed cartridge bearings
- One oversized spindle to work across every bottom bracket standard
- Significantly lighter than GXP system

$37.99 - $38.00
Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down.

$38.00
Campagnolo's Power-Torque Bottom Bracket Cups are perfect for your Campy Power-Torque crankset (sold separately). They are constructed from anodized aluminum for light weight and excellent durability. They are available in English and Italian thread.
• Italian: 70mm
• English: 68mm

$38.00
Get more distance out of every pedal stroke with SRAM's BB30 Bottom Bracket Assembly. It features sealed bearings for a smooth pedal stroke and impressive reliability. Plus, it presses directly into your frame's BB30 bottom bracket shell for reduced weight and increased longevity.

$38.00 - $50.00
The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.
- Gutter Seal Technology drastically improves sealing against the elements
- Sealed cartridge bearings
- One oversized spindle to work across every bottom bracket standard

$38.00
The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.
- Compatible with Cannondale Ai frames
- Gutter Seal Technology drastically improves sealing against the elements
- Sealed cartridge bearings
- One oversized spindle to work across every bottom bracket standard

$38.00
Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down. This GXP100 bottom bracket matches SRAM's Fat Bike cranks.

$39.99 - $46.99
Shimano BB-ES51 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
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